function showTime(){
	function getCurTime(){
		var curtime=new Date();
		var result=curtime.getFullYear()+"年";
		result=result+(curtime.getMonth()+1)+"月";
		result=result+curtime.getDate()+"日\t";
		var weeks=["周日","周一","周二","周三","周四","周五","周六"];
		result=result+weeks[curtime.getDay()]+"\t";
		if(curtime.getHours()<10) result=result+"0";
		result=result+curtime.getHours()+":";
		if(curtime.getMinutes()<10) result=result+"0";
		result=result+curtime.getMinutes()+":";
		if(curtime.getSeconds()<10) result=result+"0";
		result=result+curtime.getSeconds();
		return result;
	}
	setInterval(function(){	
		document.getElementById("showtime").innerHTML=getCurTime();
	},100);
}